Panasonic CT27E13G - 27" COLOR TV, Service Manual

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2. Check a and b sizes, If b-a < -1.5mm (in top & bottom extending
case)
- Increase “V-S” DATA by one step
NOTE
Repeat “a” and “b” until b-a ± 1.5mm
3. Confirm to make outermost circle of monoscope pattern a correct
circle
V-Adjustment
13.6.5. Trapezoid adjustment (TRAP)
PREPARATION
1. Apply a crosshatch pattern.
2. Normalize the picture icon video adjustments.
Procedure:
1. Enter service mode, select “TRAP” and adjust DATA so that lines
at right and left are vertical like a solid line.
13.6.6. PCC adjustment (PCC)
This adjustment helps to correct left and right curved sides of picture.
PREPARATION
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